<?php

namespace App\Providers;

use Illuminate\Support\ServiceProvider;

class AppServiceProvider extends ServiceProvider
{
    /**
     * Register any application services.
     *
     * @return void
     */
    public function register()
    {
        //

        \DB::listen(function($sql) {
//            echo $sql->sql;
//            dump($sql->bindings);
            if(env('APP_DEBUG')){
                AppServiceProvider::writeToFile($sql);
            }
        });
    }

    /**
     * Bootstrap any application services.
     *
     * @return void
     */
    public function boot()
    {
        //
    }


    public static function writeToFile($sql){

        // $sql is an object with the properties:
        //  sql: The query
        //  bindings: the sql query variables
        //  time: The execution time for the query
        //  connectionName: The name of the connection

        // To save the executed queries to file:
        // Process the sql and the bindings:
        foreach ($sql->bindings as $i => $binding) {
            if ($binding instanceof \DateTime) {
                $sql->bindings[$i] = $binding->format('\'Y-m-d H:i:s\'');
            } else {
                if (is_string($binding)) {
                    $sql->bindings[$i] = "'$binding'";
                }
            }
        }

        // Insert bindings into query
        $query = str_replace(array('%', '?'), array('%%', '%s'), $sql->sql);

        $query = vsprintf($query, $sql->bindings);

        $runtime = $sql->time . 'ms';
        // Save the query to file
        $logFile = fopen(
            storage_path('logs' . DIRECTORY_SEPARATOR . date('Y-m-d') . '_query.log'), 'a+');
        fwrite($logFile, date('Y-m-d H:i:s') . ': ' . $query . PHP_EOL . $runtime. PHP_EOL);
        fclose($logFile);
    }
}
